From: NeilBrown <neilb@cse.unsw.edu.au>
Minor setclientid cleanup
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
fs/nfsd/nfs4state.c | 49 +++++++++++++++++++++++++++++++------------------
1 files changed, 31 insertions(+), 18 deletions(-)
diff -puN fs/nfsd/nfs4state.c~nfsd4-add-find_unconf_by_str-functions-to-simplify-setclientid fs/nfsd/nfs4state.c
--- 25/fs/nfsd/nfs4state.c~nfsd4-add-find_unconf_by_str-functions-to-simplify-setclientid Thu Jun 2 16:25:14 2005
+++ 25-akpm/fs/nfsd/nfs4state.c Thu Jun 2 16:25:14 2005
@@ -509,6 +509,30 @@ find_unconfirmed_client(clientid_t *clid
return NULL;
}
+static struct nfs4_client *
+find_confirmed_client_by_str(const char *dname, unsigned int hashval)
+{
+ struct nfs4_client *clp;
+
+ list_for_each_entry(clp, &conf_str_hashtbl[hashval], cl_strhash) {
+ if (same_name(clp->cl_recdir, dname))
+ return clp;
+ }
+ return NULL;
+}
+
+static struct nfs4_client *
+find_unconfirmed_client_by_str(const char *dname, unsigned int hashval)
+{
+ struct nfs4_client *clp;
+
+ list_for_each_entry(clp, &unconf_str_hashtbl[hashval], cl_strhash) {
+ if (same_name(clp->cl_recdir, dname))
+ return clp;
+ }
+ return NULL;
+}
+
/* a helper function for parse_callback */
static int
parse_octet(unsigned int *lenp, char **addrp)
@@ -647,7 +671,7 @@ nfsd4_setclientid(struct svc_rqst *rqstp
};
nfs4_verifier clverifier = setclid->se_verf;
unsigned int strhashval;
- struct nfs4_client * conf, * unconf, * new, * clp;
+ struct nfs4_client *conf, *unconf, *new;
int status;
char dname[HEXDIR_LEN];
@@ -666,35 +690,24 @@ nfsd4_setclientid(struct svc_rqst *rqstp
strhashval = clientstr_hashval(dname);
- conf = NULL;
nfs4_lock_state();
- list_for_each_entry(clp, &conf_str_hashtbl[strhashval], cl_strhash) {
- if (!same_name(clp->cl_recdir, dname))
- continue;
+ conf = find_confirmed_client_by_str(dname, strhashval);
+ if (conf) {
/*
* CASE 0:
* clname match, confirmed, different principal
* or different ip_address
*/
status = nfserr_clid_inuse;
- if (!cmp_creds(&clp->cl_cred,&rqstp->rq_cred)
- || clp->cl_addr != ip_addr) {
+ if (!cmp_creds(&conf->cl_cred, &rqstp->rq_cred)
+ || conf->cl_addr != ip_addr) {
printk("NFSD: setclientid: string in use by client"
"(clientid %08x/%08x)\n",
- clp->cl_clientid.cl_boot, clp->cl_clientid.cl_id);
+ conf->cl_clientid.cl_boot, conf->cl_clientid.cl_id);
goto out;
}
- conf = clp;
- break;
- }
- unconf = NULL;
- list_for_each_entry(clp, &unconf_str_hashtbl[strhashval], cl_strhash) {
- if (!same_name(clp->cl_recdir, dname))
- continue;
- /* cl_name match from a previous SETCLIENTID operation */
- unconf = clp;
- break;
}
+ unconf = find_unconfirmed_client_by_str(dname, strhashval);
status = nfserr_resource;
if (!conf) {
/*
_